1327671660 has 144 divisors (see below), whose sum is σ = 4338157824. Its totient is φ = 302504832.

The previous prime is 1327671643. The next prime is 1327671727. The reversal of 1327671660 is 661767231.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1372497 + ... + 1373463.

It is an arithmetic number, because the mean of its divisors is an integer number (30126096).

Almost surely, 2^1327671660 is an apocalyptic number.

1327671660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1327671660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2169078912).

1327671660 is an abundant number, since it is smaller than the sum of its proper divisors (3010486164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1327671660 is a wasteful number, since it uses less digits than its factorization.

1327671660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1460 (or 1451 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 39.

The square root of 1327671660 is about 36437.2290384436. The cubic root of 1327671660 is about 1099.0823365902.

The spelling of 1327671660 in words is "one billion, three hundred twenty-seven million, six hundred seventy-one thousand, six hundred sixty".